> 4 contour
246.149	29.9991	4
246.232	29.9914	4
246.239	29.9903	4
246.316	29.982	4
246.399	29.9556	4
246.479	29.907	4
246.482	29.9049	4
246.566	29.8239	4
246.566	29.8236	4
246.613	29.7403	4
246.631	29.657	4
246.628	29.5736	4
246.566	29.5288	4
246.509	29.4903	4
246.482	29.4573	4
246.463	29.407	4
246.435	29.3236	4
246.399	29.3033	4
246.316	29.2944	4
246.254	29.3236	4
246.232	29.3358	4
246.149	29.33	4
246.066	29.3682	4
246.004	29.407	4
245.982	29.4237	4
245.924	29.4903	4
245.899	29.5609	4
245.893	29.5736	4
245.847	29.657	4
245.823	29.7403	4
245.867	29.8236	4
245.899	29.8592	4
245.953	29.907	4
245.982	29.928	4
246.066	29.9663	4
246.129	29.9903	4
246.149	29.9991	4
> 8 contour
246.149	29.8437	8
246.232	29.837	8
246.276	29.8236	8
246.316	29.8162	8
246.399	29.7559	8
246.413	29.7403	8
246.453	29.657	8
246.446	29.5736	8
246.399	29.5053	8
246.388	29.4903	8
246.316	29.4344	8
246.232	29.4349	8
246.149	29.4368	8
246.086	29.4903	8
246.066	29.5088	8
246.01	29.5736	8
245.985	29.657	8
246.016	29.7403	8
246.066	29.7891	8
246.119	29.8236	8
246.149	29.8437	8
> 12 contour
246.149	29.7761	12
246.232	29.7922	12
246.316	29.7461	12
246.323	29.7403	12
246.384	29.657	12
246.376	29.5736	12
246.316	29.5071	12
246.265	29.4903	12
246.232	29.4798	12
246.149	29.4888	12
246.147	29.4903	12
246.066	29.5652	12
246.058	29.5736	12
246.045	29.657	12
246.066	29.6888	12
246.105	29.7403	12
246.149	29.7761	12
> 16 contour
246.232	29.7568	16
246.26	29.7403	16
246.316	29.6976	16
246.347	29.657	16
246.333	29.5736	16
246.316	29.5541	16
246.232	29.5069	16
246.149	29.5334	16
246.106	29.5736	16
246.093	29.657	16
246.149	29.7217	16
246.186	29.7403	16
246.232	29.7568	16
> 20 contour
246.149	29.6728	20
246.232	29.7279	20
246.312	29.657	20
246.297	29.5736	20
246.232	29.5285	20
246.152	29.5736	20
246.149	29.5922	20
246.135	29.657	20
246.149	29.6728	20